Extension handle for wrenches



FIG. 1 is a left side elevational view of an extension handle for wrenches showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an enlarged top plan view of the handle portion thereof;

FIG. 8 is an enlarged side elevational view of the handle portion thereof; and,

FIG. 9 is a perspective view thereof. 

The ornamental design for an extension handle for wrenches, as shown and described. 